Home / 766,878.29-1,058,243.82-422,695.26

Finding the Fourth Proportional to 766,878.29, 1,058,243.82 and 422,695.26

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Solution

The fourth proportional to 766,878.29, 1,058,243.82 and 422,695.26 is: 583,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,878.29 : 1,058,243.82 = 422,695.26 : x
  2. Step 2: Convert to fraction form
    766,878.29/1,058,243.82 = 422,695.26/x
  3. Step 3: Cross multiply
    766,878.29x = 1,058,243.82 × 422,695.26
  4. Step 4: Simplify right side
    766,878.29x = 447,314,646,638.29
  5. Step 5: Solve for x
    x = 447,314,646,638.29/766,878.29
  6. Step 6: Final answer
    x = 583,292.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.